| name | hunting-for-lateral-movement-via-wmi |
| description | Detect WMI-based lateral movement by analyzing Windows Event ID 4688 process creation and Sysmon Event ID 1 for WmiPrvSE.exe child process patterns, remote process execution, and WMI event subscription persistence. |
| domain | cybersecurity |
| subdomain | threat-hunting |
| tags | ["threat-hunting","lateral-movement","wmi","sysmon","mitre-attack","process-creation"] |
| version | 1.0 |
| author | mahipal |
| license | Apache-2.0 |
Hunting for Lateral Movement via WMI
Overview
Windows Management Instrumentation (WMI) is commonly abused for lateral movement via wmic process call create or Win32_Process.Create() to execute commands on remote hosts. Detection focuses on identifying WmiPrvSE.exe spawning child processes (cmd.exe, powershell.exe) in Windows Security Event ID 4688 and Sysmon Event ID 1 logs, along with WMI-Activity/Operational events (5857, 5860, 5861) for event subscription persistence.
Prerequisites
- Windows Security Event Logs with Process Creation auditing enabled (Event 4688 with command line)
- Sysmon installed with Event ID 1 (Process Creation) configured
- Python 3.9+ with
python-evtx, lxml libraries
- Understanding of WMI architecture and WmiPrvSE.exe behavior
Steps
Step 1: Parse Process Creation Events
Extract Event ID 4688 and Sysmon Event 1 entries from EVTX files.
Step 2: Detect WmiPrvSE Child Processes
Flag processes where ParentImage/ParentProcessName is WmiPrvSE.exe, indicating remote WMI execution.
Step 3: Analyze Command Line Patterns
Identify suspicious command lines matching WMI lateral movement patterns (cmd.exe /q /c, output redirection to admin$ share).
Step 4: Check WMI Event Subscriptions
Parse WMI-Activity/Operational log for event consumer creation indicating persistence.
Expected Output
JSON report with WMI-spawned processes, suspicious command lines, WMI event subscription alerts, and timeline of lateral movement activity.
